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myThread.cpp
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#include "include.h"
recFrame_t::recFrame_t(int startofframe,int endofframe,int readnum,showpic* Pwindows)
:wxThread(),state(state_ini),rawdate(NULL),sof(startofframe),eof(endofframe),toread(readnum),pwindows(Pwindows),readnum(0)
{
}
void* recFrame_t::Entry()
{
static int n;//控制要读取的字节数
static char* addtowrite;//保存偏移量，保存数据时使用
char ch;//判断帧头帧尾用
myserialport->ClearRecBuff();
while(!TestDestroy())
{
switch(state)
{
case state_ini: if(myserialport->RXCHAR_Init()) state=state_wait;else state=state_err;break;
case state_wait: if(myserialport->WaitForEventOccur()) {myserialport->Clean_RXCHAR();state=state_findheader;}break;
case state_findheader:
if(myserialport->Read(&ch,1)>0)
{
readnum++;
if(ch==sof)
state=state_recdate;
}
else
{
Sleep(50);
switch(myserialport->Read(&ch,1))
{
// case -1:
case 0: state=state_ini;break;
case 1: if(ch==sof) state=state_recdate;readnum++;break;
default: state=state_err;break;
}
}
break;
case state_recdate:
if(!rawdate)
{
addtowrite=rawdate=new char[toread];
n=toread;
}
int res;
if(res=myserialport->Readv(addtowrite,n,100))
{
readnum+=res;
n-=res;
if(!n)//若已经读完一个帧的数据部分
{
if(myserialport->GetCacheByteNum()>0)
{
myserialport->Read(&ch,1);
if(ch!=eof) goto lose;
}
else
{
Sleep(50);
if(myserialport->GetCacheByteNum()>0)
{
myserialport->Read(&ch,1);
if(ch!=eof) goto lose;
}
else goto lose;
}
ProFrame_t* prothread=new ProFrame_t(rawdate,toread,pwindows);
if(wxTHREAD_NO_ERROR != prothread->Create())
{
state=state_err;
break;
}
if(wxTHREAD_NO_ERROR != prothread->Run())
{
state=state_err;
break;
}
rawdate=NULL;
state=state_findheader;
break;
}
addtowrite+=res;
}
else//一个都没读取到，超时
{
lose: delete[] rawdate;
rawdate=NULL;
state=state_ini;
}
break;
default: wxMessageBox("Err Occur");return (wxThread::ExitCode)0;
}
wxCommandEvent* event=new wxCommandEvent(wxEVT_READNUM_UPDATE);
event->SetClientData((void*)&readnum);
wxQueueEvent(pwindows,event);
}
return (wxThread::ExitCode)0;
}
void recFrame_t::OnExit()
{
if(rawdate) delete[] rawdate;
myserialport->Clean_RXCHAR();
}
/** \brief 处理帧数据，发送
*
* \param
* \param
* \return
*
*/
ProFrame_t::ProFrame_t(char* dateadd,int datenum,showpic* Windows)
:wxThread(),rawdate(dateadd),rawdatenum(datenum),windows(Windows)
{
}
void* ProFrame_t::Entry()
{
imgdate=(unsigned char*)malloc(3*rawdatenum*sizeof(char));//无符号数型变量才能用于构造wximage，char会使得图像全黑
for(int i=0;i<rawdatenum;i++)
{
for(char m=0;m<3;m++)
{
(*imgdate)=rawdate[i];
imgdate++;
}
}
delete[] rawdate;
imgdate=imgdate-rawdatenum*3;
wxCommandEvent* event=new wxCommandEvent(wxEVT_POINTER_ARR,wxID_ANY);
event->SetClientData((void*)imgdate);
wxQueueEvent(windows,event);
return (wxThread::ExitCode)0;
}
recdate_t::recdate_t(showdate* Parent,wxTextCtrl* TextCtrl,datemode& Mode,bool& Space)
:wxThread(),parent(Parent),textctrl(TextCtrl),mode(Mode),space(Space),state(state_ini),readnum(0)
{
}
recdate_t::~recdate_t()
{
myserialport->Clean_RXCHAR();
}
void* recdate_t::Entry()
{
char ch;
int res;
char* str;
myserialport->ClearRecBuff();
while(!TestDestroy())
{
switch(state)
{
case state_ini: if(myserialport->RXCHAR_Init()) state=state_wait;else state=state_err;break;
case state_wait: if(myserialport->WaitForEventOccur()) {myserialport->Clean_RXCHAR();state=state_recdate;}break;
case state_recdate:
Sleep(100);
if((res=myserialport->GetCacheByteNum())>0)
{
static bool flag=false;
static char headchar;
readnum+=res;
if(mode==cha)
{
if(flag)//上次有汉字读了一半
{
str=(char*)malloc(res*sizeof(char)+1+1);
*(str+res+1)=0;
str[0]=headchar;
myserialport->Read(str+1,res);
if(*(str+res)<0) {headchar=*(str+res);*(str+res)=0;flag=true;}
else flag=false;
}
else
{
str=(char*)malloc(res*sizeof(char)+1);
*(str+res)=0;
myserialport->Read(str,res);
if(*(str+res-1)<0) {headchar=*(str+res-1);*(str+res-1)=0;flag=true;}
}
*textctrl<<str;
free(str);
if(space) *textctrl<<" ";
}
else
{
for(;res&&!TestDestroy();res--)
{
myserialport->Read(&ch,1);
switch(mode)
{
case dec: *textctrl<<(int)(unsigned char)ch;break;
case hex: *textctrl<<wxString::Format("%#02X",(unsigned char)ch);break;
default: wxLogError("an err occur");break;
}
if(space) *textctrl<<" ";
}
if(flag) flag=false;
}
wxCommandEvent* event=new wxCommandEvent(wxEVT_READNUM_UPDATE);
event->SetClientData((void*)&readnum);
wxQueueEvent(parent,event);
}
else state=state_ini;
break;
default: wxMessageBox("Err Occur");return (wxThread::ExitCode)0;
}
}
return (wxThread::ExitCode)0;
}